SCHUMACHER an GAUSS, 5. April 1838 - Streit BESSEL-ENCKE.
Varia. Atlas des Erdmagnetismus Bd. 12, GDML_Books, (1929), p. 275 / Harvested from
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@article{PPN236060120+dmdlog164,
     title = {SCHUMACHER an GAUSS, 5. April 1838  -  Streit BESSEL-ENCKE.},
     booktitle = {Varia. Atlas des Erdmagnetismus Bd. 12},
     series = {GDML\_Books},
     year = {1929},
     pages = {275},
     url = {http://dml.mathdoc.fr/item/PPN236060120+dmdlog164}
}

 (éd.). SCHUMACHER an GAUSS, 5. April 1838  -  Streit BESSEL-ENCKE., dans Varia. Atlas des Erdmagnetismus Bd. 12, GDML_Books,  (1929), p. 275. http://gdmltest.u-ga.fr/item/PPN236060120+dmdlog164/